com.meyling.principia.logic.basic
Class LogicalOperatorWithTwoFormulas

java.lang.Object
  |
  +--com.meyling.principia.argument.AbstractArgument
        |
        +--com.meyling.principia.argument.AbstractArgumentList
              |
              +--com.meyling.principia.logic.basic.AbstractFormula
                    |
                    +--com.meyling.principia.logic.basic.LogicalOperatorWithTwoFormulas

All Implemented Interfaces:

Argument, Formula

Direct Known Subclasses:

Conjunction, Disjunction, Equivalence, Implication

public abstract class LogicalOperatorWithTwoFormulas

extends AbstractFormula

implements Argument, Formula

LogicalOperatorWithTwoFormulas of formulas.

Version:

$Revision: 1.4 $

Author:

Michael Meyling

Constructor Summary

LogicalOperatorWithTwoFormulas(Argument[] arguments)
Constructs a new formula out of two given ones.

LogicalOperatorWithTwoFormulas(Formula formula1, Formula formula2)
Constructs a new formula out of two given ones.

Method Summary

SubjectVariables	getBoundSubjectVariables() Get all bounded subject variables.
SubjectVariables	getFreeSubjectVariables() Get all free subject variables.
Formula	getPartFormula(int i) Get the requested part formula
int	getPartFormulaSize() Get the number of part formulas that this formula contains.
SubjectVariables	getSubjectVariables() Get all subject variables that occur in this formula.

Methods inherited from class com.meyling.principia.logic.basic.AbstractFormula

createPattern, replaceBoundSubjectVariable, replaceBoundSubjectVariables

Methods inherited from class com.meyling.principia.argument.AbstractArgumentList

copy, create, getArgument, getArgumentSize, toString

Methods inherited from class com.meyling.principia.argument.AbstractArgument

containsPatternVariables, equals, getHighestNumber, getPatternVariables, getReplacementParents, getSearchParents, hashCode, matches, matches, replace, replace, replace, replaceMatches

Methods inherited from class java.lang.Object

, clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.meyling.principia.argument.Argument

containsPatternVariables, copy, create, equals, getArgument, getArgumentSize, getPatternVariables, getReplacementParents, getSearchParents, hashCode, matches, matches, replace, replace, replace, replaceMatches, toString

Methods inherited from interface com.meyling.principia.logic.basic.Formula

replaceBoundSubjectVariable, replaceBoundSubjectVariables

Constructor Detail

LogicalOperatorWithTwoFormulas

public LogicalOperatorWithTwoFormulas(Argument[] arguments)
                               throws ArgumentException

Constructs a new formula out of two given ones.

Parameters:

arguments - must contain two formulas

Throws:

ArgumentException - if same subject variable exists bound and unbound, or argument dosn't consist of two formulas

LogicalOperatorWithTwoFormulas

public LogicalOperatorWithTwoFormulas(Formula formula1,
                                      Formula formula2)
                               throws ArgumentException

Constructs a new formula out of two given ones.

Parameters:

formula1 - first formula

formula2 - second formula

Throws:

ArgumentException - if same subject variable exists bound and unbound

Method Detail

getPartFormulaSize

public final int getPartFormulaSize()

Description copied from interface: Formula

Get the number of part formulas that this formula contains.

Specified by:

getPartFormulaSize in interface Formula

Overrides:

getPartFormulaSize in class AbstractFormula

Returns:

always 2

getPartFormula

public final Formula getPartFormula(int i)

Description copied from interface: Formula

Get the requested part formula

Specified by:

getPartFormula in interface Formula

Overrides:

getPartFormula in class AbstractFormula

Following copied from interface: com.meyling.principia.logic.basic.Formula

Parameters:

i - number of part formula (starting with 0)

Returns:

i-th part formula

Throws:

IllegalArgumentException - if i is not inbetween 0 and Formula.getPartFormulaSize() - 1

getFreeSubjectVariables

public final SubjectVariables getFreeSubjectVariables()

Description copied from interface: Formula

Get all free subject variables.

Specified by:

getFreeSubjectVariables in interface Formula

Overrides:

getFreeSubjectVariables in class AbstractFormula

Following copied from interface: com.meyling.principia.logic.basic.Formula

Returns:

all free subject variables

getBoundSubjectVariables

public final SubjectVariables getBoundSubjectVariables()

Description copied from interface: Formula

Get all bounded subject variables.

Specified by:

getBoundSubjectVariables in interface Formula

Overrides:

getBoundSubjectVariables in class AbstractFormula

Following copied from interface: com.meyling.principia.logic.basic.Formula

Returns:

all bounded subject variables

getSubjectVariables

public SubjectVariables getSubjectVariables()

Description copied from interface: Formula

Get all subject variables that occur in this formula.

Specified by:

getSubjectVariables in interface Formula

Overrides:

getSubjectVariables in class AbstractFormula

Following copied from interface: com.meyling.principia.logic.basic.Formula

Returns:

all subject variables